20024810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 42472836

約数和(自身を除く): 22448026

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 130, 169, 170, 205, 221, 289, 338, 410, 442, 533, 578, 697, 845, 1066, 1105, 1394, 1445, 1690, 2210, 2665, 2873, 2890, 3485, 3757, 5330, 5746, 6929, 6970, 7514, 9061, 11849, 13858, 14365, 18122, 18785, 23698, 28730, 34645, 37570, 45305, 48841, 59245, 69290, 90610, 97682, 117793, 118490, 154037, 235586, 244205, 308074, 488410, 588965, 770185, 1177930, 1540370, 2002481, 4004962, 10012405, 20024810]

約数ペア:

[(1, 20024810), (2, 10012405), (5, 4004962), (10, 2002481), (13, 1540370), (17, 1177930), (26, 770185), (34, 588965), (41, 488410), (65, 308074), (82, 244205), (85, 235586), (130, 154037), (169, 118490), (170, 117793), (205, 97682), (221, 90610), (289, 69290), (338, 59245), (410, 48841), (442, 45305), (533, 37570), (578, 34645), (697, 28730), (845, 23698), (1066, 18785), (1105, 18122), (1394, 14365), (1445, 13858), (1690, 11849), (2210, 9061), (2665, 7514), (2873, 6970), (2890, 6929), (3485, 5746), (3757, 5330)]