20155811420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{49433}}^1$

素因数の和:49527

約数の個数: 96

約数和(自身を含む): 47337998400

約数和(自身を除く): 27182186980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 37, 38, 58, 74, 76, 95, 116, 145, 148, 185, 190, 290, 370, 380, 551, 580, 703, 740, 1073, 1102, 1406, 2146, 2204, 2755, 2812, 3515, 4292, 5365, 5510, 7030, 10730, 11020, 14060, 20387, 21460, 40774, 49433, 81548, 98866, 101935, 197732, 203870, 247165, 407740, 494330, 939227, 988660, 1433557, 1829021, 1878454, 2867114, 3658042, 3756908, 4696135, 5734228, 7167785, 7316084, 9145105, 9392270, 14335570, 18290210, 18784540, 27237583, 28671140, 34751399, 36580420, 53041609, 54475166, 69502798, 106083218, 108950332, 136187915, 139005596, 173756995, 212166436, 265208045, 272375830, 347513990, 530416090, 544751660, 695027980, 1007790571, 1060832180, 2015581142, 4031162284, 5038952855, 10077905710, 20155811420]

約数ペア:

[(1, 20155811420), (2, 10077905710), (4, 5038952855), (5, 4031162284), (10, 2015581142), (19, 1060832180), (20, 1007790571), (29, 695027980), (37, 544751660), (38, 530416090), (58, 347513990), (74, 272375830), (76, 265208045), (95, 212166436), (116, 173756995), (145, 139005596), (148, 136187915), (185, 108950332), (190, 106083218), (290, 69502798), (370, 54475166), (380, 53041609), (551, 36580420), (580, 34751399), (703, 28671140), (740, 27237583), (1073, 18784540), (1102, 18290210), (1406, 14335570), (2146, 9392270), (2204, 9145105), (2755, 7316084), (2812, 7167785), (3515, 5734228), (4292, 4696135), (5365, 3756908), (5510, 3658042), (7030, 2867114), (10730, 1878454), (11020, 1829021), (14060, 1433557), (20387, 988660), (21460, 939227), (40774, 494330), (49433, 407740), (81548, 247165), (98866, 203870), (101935, 197732)]