20805119970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1\times {\mathrm{16481}}^1$

素因数の和:17971

約数の個数: 64

約数和(自身を含む): 51692826240

約数和(自身を除く): 30887706270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 1451, 2902, 4353, 7255, 8706, 14510, 16481, 21765, 32962, 42079, 43530, 49443, 82405, 84158, 98886, 126237, 164810, 210395, 247215, 252474, 420790, 477949, 494430, 631185, 955898, 1262370, 1433847, 2389745, 2867694, 4779490, 7169235, 14338470, 23913931, 47827862, 71741793, 119569655, 143483586, 239139310, 358708965, 693503999, 717417930, 1387007998, 2080511997, 3467519995, 4161023994, 6935039990, 10402559985, 20805119970]

約数ペア:

[(1, 20805119970), (2, 10402559985), (3, 6935039990), (5, 4161023994), (6, 3467519995), (10, 2080511997), (15, 1387007998), (29, 717417930), (30, 693503999), (58, 358708965), (87, 239139310), (145, 143483586), (174, 119569655), (290, 71741793), (435, 47827862), (870, 23913931), (1451, 14338470), (2902, 7169235), (4353, 4779490), (7255, 2867694), (8706, 2389745), (14510, 1433847), (16481, 1262370), (21765, 955898), (32962, 631185), (42079, 494430), (43530, 477949), (49443, 420790), (82405, 252474), (84158, 247215), (98886, 210395), (126237, 164810)]