16652020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{983}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 43972992

約数和(自身を除く): 27320972

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 983, 1210, 1540, 1694, 1966, 2420, 3388, 3932, 4235, 4915, 6881, 8470, 9830, 10813, 13762, 16940, 19660, 21626, 27524, 34405, 43252, 54065, 68810, 75691, 108130, 118943, 137620, 151382, 216260, 237886, 302764, 378455, 475772, 594715, 756910, 832601, 1189430, 1513820, 1665202, 2378860, 3330404, 4163005, 8326010, 16652020]

約数ペア:

[(1, 16652020), (2, 8326010), (4, 4163005), (5, 3330404), (7, 2378860), (10, 1665202), (11, 1513820), (14, 1189430), (20, 832601), (22, 756910), (28, 594715), (35, 475772), (44, 378455), (55, 302764), (70, 237886), (77, 216260), (110, 151382), (121, 137620), (140, 118943), (154, 108130), (220, 75691), (242, 68810), (308, 54065), (385, 43252), (484, 34405), (605, 27524), (770, 21626), (847, 19660), (983, 16940), (1210, 13762), (1540, 10813), (1694, 9830), (1966, 8470), (2420, 6881), (3388, 4915), (3932, 4235)]