20347208830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1\times {\mathrm{929}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 39681835200

約数和(自身を除く): 19334626370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 509, 662, 929, 1018, 1655, 1858, 2545, 3310, 4303, 4645, 5090, 6617, 8606, 9290, 12077, 13234, 21515, 24154, 33085, 43030, 60385, 66170, 120770, 168479, 307499, 336958, 472861, 614998, 842395, 945722, 1537495, 1684790, 2190227, 2364305, 3074990, 3997487, 4380454, 4728610, 6147193, 7994974, 10951135, 12294386, 19987435, 21902270, 30735965, 39974870, 61471930, 156516991, 313033982, 782584955, 1565169910, 2034720883, 4069441766, 10173604415, 20347208830]

約数ペア:

[(1, 20347208830), (2, 10173604415), (5, 4069441766), (10, 2034720883), (13, 1565169910), (26, 782584955), (65, 313033982), (130, 156516991), (331, 61471930), (509, 39974870), (662, 30735965), (929, 21902270), (1018, 19987435), (1655, 12294386), (1858, 10951135), (2545, 7994974), (3310, 6147193), (4303, 4728610), (4645, 4380454), (5090, 3997487), (6617, 3074990), (8606, 2364305), (9290, 2190227), (12077, 1684790), (13234, 1537495), (21515, 945722), (24154, 842395), (33085, 614998), (43030, 472861), (60385, 336958), (66170, 307499), (120770, 168479)]