16205420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 28791700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 619, 748, 770, 935, 1190, 1238, 1309, 1540, 1870, 2380, 2476, 2618, 3095, 3740, 4333, 5236, 6190, 6545, 6809, 8666, 10523, 12380, 13090, 13618, 17332, 21046, 21665, 26180, 27236, 34045, 42092, 43330, 47663, 52615, 68090, 73661, 86660, 95326, 105230, 115753, 136180, 147322, 190652, 210460, 231506, 238315, 294644, 368305, 463012, 476630, 578765, 736610, 810271, 953260, 1157530, 1473220, 1620542, 2315060, 3241084, 4051355, 8102710, 16205420]

約数ペア:

[(1, 16205420), (2, 8102710), (4, 4051355), (5, 3241084), (7, 2315060), (10, 1620542), (11, 1473220), (14, 1157530), (17, 953260), (20, 810271), (22, 736610), (28, 578765), (34, 476630), (35, 463012), (44, 368305), (55, 294644), (68, 238315), (70, 231506), (77, 210460), (85, 190652), (110, 147322), (119, 136180), (140, 115753), (154, 105230), (170, 95326), (187, 86660), (220, 73661), (238, 68090), (308, 52615), (340, 47663), (374, 43330), (385, 42092), (476, 34045), (595, 27236), (619, 26180), (748, 21665), (770, 21046), (935, 17332), (1190, 13618), (1238, 13090), (1309, 12380), (1540, 10523), (1870, 8666), (2380, 6809), (2476, 6545), (2618, 6190), (3095, 5236), (3740, 4333)]