20172687970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97561}}^1$

素因数の和:97651

約数の個数: 64

約数和(自身を含む): 40460912640

約数和(自身を除く): 20288224670

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 115, 145, 155, 230, 290, 310, 667, 713, 899, 1334, 1426, 1798, 3335, 3565, 4495, 6670, 7130, 8990, 20677, 41354, 97561, 103385, 195122, 206770, 487805, 975610, 2243903, 2829269, 3024391, 4487806, 5658538, 6048782, 11219515, 14146345, 15121955, 22439030, 28292690, 30243910, 65073187, 69560993, 87707339, 130146374, 139121986, 175414678, 325365935, 347804965, 438536695, 650731870, 695609930, 877073390, 2017268797, 4034537594, 10086343985, 20172687970]

約数ペア:

[(1, 20172687970), (2, 10086343985), (5, 4034537594), (10, 2017268797), (23, 877073390), (29, 695609930), (31, 650731870), (46, 438536695), (58, 347804965), (62, 325365935), (115, 175414678), (145, 139121986), (155, 130146374), (230, 87707339), (290, 69560993), (310, 65073187), (667, 30243910), (713, 28292690), (899, 22439030), (1334, 15121955), (1426, 14146345), (1798, 11219515), (3335, 6048782), (3565, 5658538), (4495, 4487806), (6670, 3024391), (7130, 2829269), (8990, 2243903), (20677, 975610), (41354, 487805), (97561, 206770), (103385, 195122)]