20780181370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{93097}}^1$

素因数の和:93235

約数の個数: 64

約数和(自身を含む): 43073837856

約数和(自身を除く): 22293656486

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 101, 130, 170, 202, 221, 442, 505, 1010, 1105, 1313, 1717, 2210, 2626, 3434, 6565, 8585, 13130, 17170, 22321, 44642, 93097, 111605, 186194, 223210, 465485, 930970, 1210261, 1582649, 2420522, 3165298, 6051305, 7913245, 9402797, 12102610, 15826490, 18805594, 20574437, 41148874, 47013985, 94027970, 102872185, 122236361, 159847549, 205744370, 244472722, 319695098, 611181805, 799237745, 1222363610, 1598475490, 2078018137, 4156036274, 10390090685, 20780181370]

約数ペア:

[(1, 20780181370), (2, 10390090685), (5, 4156036274), (10, 2078018137), (13, 1598475490), (17, 1222363610), (26, 799237745), (34, 611181805), (65, 319695098), (85, 244472722), (101, 205744370), (130, 159847549), (170, 122236361), (202, 102872185), (221, 94027970), (442, 47013985), (505, 41148874), (1010, 20574437), (1105, 18805594), (1313, 15826490), (1717, 12102610), (2210, 9402797), (2626, 7913245), (3434, 6051305), (6565, 3165298), (8585, 2420522), (13130, 1582649), (17170, 1210261), (22321, 930970), (44642, 465485), (93097, 223210), (111605, 186194)]