19603920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1697

約数の個数: 120

約数和(自身を含む): 70736544

約数和(自身を除く): 51132624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1667, 1680, 1960, 2352, 2940, 3334, 3920, 5001, 5880, 6668, 8335, 10002, 11669, 11760, 13336, 16670, 20004, 23338, 25005, 26672, 33340, 35007, 40008, 46676, 50010, 58345, 66680, 70014, 80016, 81683, 93352, 100020, 116690, 133360, 140028, 163366, 175035, 186704, 200040, 233380, 245049, 280056, 326732, 350070, 400080, 408415, 466760, 490098, 560112, 653464, 700140, 816830, 933520, 980196, 1225245, 1306928, 1400280, 1633660, 1960392, 2450490, 2800560, 3267320, 3920784, 4900980, 6534640, 9801960, 19603920]

約数ペア:

[(1, 19603920), (2, 9801960), (3, 6534640), (4, 4900980), (5, 3920784), (6, 3267320), (7, 2800560), (8, 2450490), (10, 1960392), (12, 1633660), (14, 1400280), (15, 1306928), (16, 1225245), (20, 980196), (21, 933520), (24, 816830), (28, 700140), (30, 653464), (35, 560112), (40, 490098), (42, 466760), (48, 408415), (49, 400080), (56, 350070), (60, 326732), (70, 280056), (80, 245049), (84, 233380), (98, 200040), (105, 186704), (112, 175035), (120, 163366), (140, 140028), (147, 133360), (168, 116690), (196, 100020), (210, 93352), (240, 81683), (245, 80016), (280, 70014), (294, 66680), (336, 58345), (392, 50010), (420, 46676), (490, 40008), (560, 35007), (588, 33340), (735, 26672), (784, 25005), (840, 23338), (980, 20004), (1176, 16670), (1470, 13336), (1667, 11760), (1680, 11669), (1960, 10002), (2352, 8335), (2940, 6668), (3334, 5880), (3920, 5001)]