20183120140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1\times {\mathrm{39679}}^1$

素因数の和:40594

約数の個数: 48

約数和(自身を含む): 43897190400

約数和(自身を除く): 23714070260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 877, 1754, 3508, 4385, 8770, 17540, 25433, 39679, 50866, 79358, 101732, 127165, 158716, 198395, 254330, 396790, 508660, 793580, 1150691, 2301382, 4602764, 5753455, 11506910, 23013820, 34798483, 69596966, 139193932, 173992415, 347984830, 695969660, 1009156007, 2018312014, 4036624028, 5045780035, 10091560070, 20183120140]

約数ペア:

[(1, 20183120140), (2, 10091560070), (4, 5045780035), (5, 4036624028), (10, 2018312014), (20, 1009156007), (29, 695969660), (58, 347984830), (116, 173992415), (145, 139193932), (290, 69596966), (580, 34798483), (877, 23013820), (1754, 11506910), (3508, 5753455), (4385, 4602764), (8770, 2301382), (17540, 1150691), (25433, 793580), (39679, 508660), (50866, 396790), (79358, 254330), (101732, 198395), (127165, 158716)]