20705250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 54437760

約数和(自身を除く): 33732510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 375, 475, 570, 750, 950, 1425, 1453, 2375, 2850, 2906, 4359, 4750, 7125, 7265, 8718, 14250, 14530, 21795, 27607, 36325, 43590, 55214, 72650, 82821, 108975, 138035, 165642, 181625, 217950, 276070, 363250, 414105, 544875, 690175, 828210, 1089750, 1380350, 2070525, 3450875, 4141050, 6901750, 10352625, 20705250]

約数ペア:

[(1, 20705250), (2, 10352625), (3, 6901750), (5, 4141050), (6, 3450875), (10, 2070525), (15, 1380350), (19, 1089750), (25, 828210), (30, 690175), (38, 544875), (50, 414105), (57, 363250), (75, 276070), (95, 217950), (114, 181625), (125, 165642), (150, 138035), (190, 108975), (250, 82821), (285, 72650), (375, 55214), (475, 43590), (570, 36325), (750, 27607), (950, 21795), (1425, 14530), (1453, 14250), (2375, 8718), (2850, 7265), (2906, 7125), (4359, 4750)]