20445360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6553}}^1$

素因数の和:6582

約数の個数: 80

約数和(自身を含む): 68266464

約数和(自身を除く): 47821104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6553, 13106, 19659, 26212, 32765, 39318, 52424, 65530, 78636, 85189, 98295, 104848, 131060, 157272, 170378, 196590, 255567, 262120, 314544, 340756, 393180, 425945, 511134, 524240, 681512, 786360, 851890, 1022268, 1277835, 1363024, 1572720, 1703780, 2044536, 2555670, 3407560, 4089072, 5111340, 6815120, 10222680, 20445360]

約数ペア:

[(1, 20445360), (2, 10222680), (3, 6815120), (4, 5111340), (5, 4089072), (6, 3407560), (8, 2555670), (10, 2044536), (12, 1703780), (13, 1572720), (15, 1363024), (16, 1277835), (20, 1022268), (24, 851890), (26, 786360), (30, 681512), (39, 524240), (40, 511134), (48, 425945), (52, 393180), (60, 340756), (65, 314544), (78, 262120), (80, 255567), (104, 196590), (120, 170378), (130, 157272), (156, 131060), (195, 104848), (208, 98295), (240, 85189), (260, 78636), (312, 65530), (390, 52424), (520, 39318), (624, 32765), (780, 26212), (1040, 19659), (1560, 13106), (3120, 6553)]