20341454140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{8123}}^1$

素因数の和:8747

約数の個数: 96

約数和(自身を含む): 50487865344

約数和(自身を除く): 30146411204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 577, 620, 868, 1085, 1154, 2170, 2308, 2885, 4039, 4340, 5770, 8078, 8123, 11540, 16156, 16246, 17887, 20195, 32492, 35774, 40390, 40615, 56861, 71548, 80780, 81230, 89435, 113722, 125209, 162460, 178870, 227444, 250418, 251813, 284305, 357740, 500836, 503626, 568610, 626045, 1007252, 1137220, 1252090, 1259065, 1762691, 2504180, 2518130, 3525382, 4686971, 5036260, 7050764, 8813455, 9373942, 17626910, 18747884, 23434855, 32808797, 35253820, 46869710, 65617594, 93739420, 131235188, 145296101, 164043985, 290592202, 328087970, 581184404, 656175940, 726480505, 1017072707, 1452961010, 2034145414, 2905922020, 4068290828, 5085363535, 10170727070, 20341454140]

約数ペア:

[(1, 20341454140), (2, 10170727070), (4, 5085363535), (5, 4068290828), (7, 2905922020), (10, 2034145414), (14, 1452961010), (20, 1017072707), (28, 726480505), (31, 656175940), (35, 581184404), (62, 328087970), (70, 290592202), (124, 164043985), (140, 145296101), (155, 131235188), (217, 93739420), (310, 65617594), (434, 46869710), (577, 35253820), (620, 32808797), (868, 23434855), (1085, 18747884), (1154, 17626910), (2170, 9373942), (2308, 8813455), (2885, 7050764), (4039, 5036260), (4340, 4686971), (5770, 3525382), (8078, 2518130), (8123, 2504180), (11540, 1762691), (16156, 1259065), (16246, 1252090), (17887, 1137220), (20195, 1007252), (32492, 626045), (35774, 568610), (40390, 503626), (40615, 500836), (56861, 357740), (71548, 284305), (80780, 251813), (81230, 250418), (89435, 227444), (113722, 178870), (125209, 162460)]