20789025960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{236993}}^1$

素因数の和:237067

約数の個数: 128

約数和(自身を含む): 67571729280

約数和(自身を除く): 46782703320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2580, 2924, 3655, 4386, 5160, 5848, 7310, 8772, 10965, 14620, 17544, 21930, 29240, 43860, 87720, 236993, 473986, 710979, 947972, 1184965, 1421958, 1895944, 2369930, 2843916, 3554895, 4028881, 4739860, 5687832, 7109790, 8057762, 9479720, 10190699, 12086643, 14219580, 16115524, 20144405, 20381398, 24173286, 28439160, 30572097, 32231048, 40288810, 40762796, 48346572, 50953495, 60433215, 61144194, 80577620, 81525592, 96693144, 101906990, 120866430, 122288388, 152860485, 161155240, 173241883, 203813980, 241732860, 244576776, 305720970, 346483766, 407627960, 483465720, 519725649, 611441940, 692967532, 866209415, 1039451298, 1222883880, 1385935064, 1732418830, 2078902596, 2598628245, 3464837660, 4157805192, 5197256490, 6929675320, 10394512980, 20789025960]

約数ペア:

[(1, 20789025960), (2, 10394512980), (3, 6929675320), (4, 5197256490), (5, 4157805192), (6, 3464837660), (8, 2598628245), (10, 2078902596), (12, 1732418830), (15, 1385935064), (17, 1222883880), (20, 1039451298), (24, 866209415), (30, 692967532), (34, 611441940), (40, 519725649), (43, 483465720), (51, 407627960), (60, 346483766), (68, 305720970), (85, 244576776), (86, 241732860), (102, 203813980), (120, 173241883), (129, 161155240), (136, 152860485), (170, 122288388), (172, 120866430), (204, 101906990), (215, 96693144), (255, 81525592), (258, 80577620), (340, 61144194), (344, 60433215), (408, 50953495), (430, 48346572), (510, 40762796), (516, 40288810), (645, 32231048), (680, 30572097), (731, 28439160), (860, 24173286), (1020, 20381398), (1032, 20144405), (1290, 16115524), (1462, 14219580), (1720, 12086643), (2040, 10190699), (2193, 9479720), (2580, 8057762), (2924, 7109790), (3655, 5687832), (4386, 4739860), (5160, 4028881), (5848, 3554895), (7310, 2843916), (8772, 2369930), (10965, 1895944), (14620, 1421958), (17544, 1184965), (21930, 947972), (29240, 710979), (43860, 473986), (87720, 236993)]