20711911860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{14461}}^1$

素因数の和:14658

約数の個数: 144

約数和(自身を含む): 64275491280

約数和(自身を除く): 43563579420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 109, 146, 180, 218, 219, 292, 327, 365, 436, 438, 545, 654, 657, 730, 876, 981, 1090, 1095, 1308, 1314, 1460, 1635, 1962, 2180, 2190, 2628, 3270, 3285, 3924, 4380, 4905, 6540, 6570, 7957, 9810, 13140, 14461, 15914, 19620, 23871, 28922, 31828, 39785, 43383, 47742, 57844, 71613, 72305, 79570, 86766, 95484, 119355, 130149, 143226, 144610, 159140, 173532, 216915, 238710, 260298, 286452, 289220, 358065, 433830, 477420, 520596, 650745, 716130, 867660, 1055653, 1301490, 1432260, 1576249, 2111306, 2602980, 3152498, 3166959, 4222612, 4728747, 5278265, 6304996, 6333918, 7881245, 9457494, 9500877, 10556530, 12667836, 14186241, 15762490, 15834795, 18914988, 19001754, 21113060, 23643735, 28372482, 31524980, 31669590, 38003508, 47287470, 47504385, 56744964, 63339180, 70931205, 94574940, 95008770, 115066177, 141862410, 190017540, 230132354, 283724820, 345198531, 460264708, 575330885, 690397062, 1035595593, 1150661770, 1380794124, 1725992655, 2071191186, 2301323540, 3451985310, 4142382372, 5177977965, 6903970620, 10355955930, 20711911860]

約数ペア:

[(1, 20711911860), (2, 10355955930), (3, 6903970620), (4, 5177977965), (5, 4142382372), (6, 3451985310), (9, 2301323540), (10, 2071191186), (12, 1725992655), (15, 1380794124), (18, 1150661770), (20, 1035595593), (30, 690397062), (36, 575330885), (45, 460264708), (60, 345198531), (73, 283724820), (90, 230132354), (109, 190017540), (146, 141862410), (180, 115066177), (218, 95008770), (219, 94574940), (292, 70931205), (327, 63339180), (365, 56744964), (436, 47504385), (438, 47287470), (545, 38003508), (654, 31669590), (657, 31524980), (730, 28372482), (876, 23643735), (981, 21113060), (1090, 19001754), (1095, 18914988), (1308, 15834795), (1314, 15762490), (1460, 14186241), (1635, 12667836), (1962, 10556530), (2180, 9500877), (2190, 9457494), (2628, 7881245), (3270, 6333918), (3285, 6304996), (3924, 5278265), (4380, 4728747), (4905, 4222612), (6540, 3166959), (6570, 3152498), (7957, 2602980), (9810, 2111306), (13140, 1576249), (14461, 1432260), (15914, 1301490), (19620, 1055653), (23871, 867660), (28922, 716130), (31828, 650745), (39785, 520596), (43383, 477420), (47742, 433830), (57844, 358065), (71613, 289220), (72305, 286452), (79570, 260298), (86766, 238710), (95484, 216915), (119355, 173532), (130149, 159140), (143226, 144610)]