20177767560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1283573}}^1$

素因数の和:1283718

約数の個数: 64

約数和(自身を含む): 60995436480

約数和(自身を除く): 40817668920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 1283573, 2567146, 3850719, 5134292, 6417865, 7701438, 10268584, 12835730, 15402876, 19253595, 25671460, 30805752, 38507190, 51342920, 77014380, 154028760, 168148063, 336296126, 504444189, 672592252, 840740315, 1008888378, 1345184504, 1681480630, 2017776756, 2522220945, 3362961260, 4035553512, 5044441890, 6725922520, 10088883780, 20177767560]

約数ペア:

[(1, 20177767560), (2, 10088883780), (3, 6725922520), (4, 5044441890), (5, 4035553512), (6, 3362961260), (8, 2522220945), (10, 2017776756), (12, 1681480630), (15, 1345184504), (20, 1008888378), (24, 840740315), (30, 672592252), (40, 504444189), (60, 336296126), (120, 168148063), (131, 154028760), (262, 77014380), (393, 51342920), (524, 38507190), (655, 30805752), (786, 25671460), (1048, 19253595), (1310, 15402876), (1572, 12835730), (1965, 10268584), (2620, 7701438), (3144, 6417865), (3930, 5134292), (5240, 3850719), (7860, 2567146), (15720, 1283573)]