20223752720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:961

約数の個数: 160

約数和(自身を含む): 49730817024

約数和(自身を除く): 29507064304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 251, 265, 310, 424, 496, 502, 530, 613, 620, 848, 1004, 1060, 1226, 1240, 1255, 1643, 2008, 2120, 2452, 2480, 2510, 3065, 3286, 4016, 4240, 4904, 5020, 6130, 6572, 7781, 8215, 9808, 10040, 12260, 13144, 13303, 15562, 16430, 19003, 20080, 24520, 26288, 26606, 31124, 32489, 32860, 38006, 38905, 49040, 53212, 62248, 64978, 65720, 66515, 76012, 77810, 95015, 106424, 124496, 129956, 131440, 133030, 152024, 153863, 155620, 162445, 190030, 212848, 259912, 266060, 304048, 307726, 311240, 324890, 380060, 412393, 519824, 532120, 615452, 622480, 649780, 760120, 769315, 824786, 1007159, 1064240, 1230904, 1299560, 1520240, 1538630, 1649572, 2014318, 2061965, 2461808, 2599120, 3077260, 3299144, 4028636, 4123930, 4769753, 5035795, 6154520, 6598288, 8057272, 8154739, 8247860, 9539506, 10071590, 12309040, 16114544, 16309478, 16495720, 19079012, 20143180, 23848765, 32618956, 32991440, 38158024, 40286360, 40773695, 47697530, 65237912, 76316048, 80572720, 81547390, 95395060, 130475824, 163094780, 190790120, 252796909, 326189560, 381580240, 505593818, 652379120, 1011187636, 1263984545, 2022375272, 2527969090, 4044750544, 5055938180, 10111876360, 20223752720]

約数ペア:

[(1, 20223752720), (2, 10111876360), (4, 5055938180), (5, 4044750544), (8, 2527969090), (10, 2022375272), (16, 1263984545), (20, 1011187636), (31, 652379120), (40, 505593818), (53, 381580240), (62, 326189560), (80, 252796909), (106, 190790120), (124, 163094780), (155, 130475824), (212, 95395060), (248, 81547390), (251, 80572720), (265, 76316048), (310, 65237912), (424, 47697530), (496, 40773695), (502, 40286360), (530, 38158024), (613, 32991440), (620, 32618956), (848, 23848765), (1004, 20143180), (1060, 19079012), (1226, 16495720), (1240, 16309478), (1255, 16114544), (1643, 12309040), (2008, 10071590), (2120, 9539506), (2452, 8247860), (2480, 8154739), (2510, 8057272), (3065, 6598288), (3286, 6154520), (4016, 5035795), (4240, 4769753), (4904, 4123930), (5020, 4028636), (6130, 3299144), (6572, 3077260), (7781, 2599120), (8215, 2461808), (9808, 2061965), (10040, 2014318), (12260, 1649572), (13144, 1538630), (13303, 1520240), (15562, 1299560), (16430, 1230904), (19003, 1064240), (20080, 1007159), (24520, 824786), (26288, 769315), (26606, 760120), (31124, 649780), (32489, 622480), (32860, 615452), (38006, 532120), (38905, 519824), (49040, 412393), (53212, 380060), (62248, 324890), (64978, 311240), (65720, 307726), (66515, 304048), (76012, 266060), (77810, 259912), (95015, 212848), (106424, 190030), (124496, 162445), (129956, 155620), (131440, 153863), (133030, 152024)]