20820150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3559}}^1$

素因数の和:3590

約数の個数: 72

約数和(自身を含む): 60256560

約数和(自身を除く): 39436410

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3559, 5850, 7118, 10677, 17795, 21354, 32031, 35590, 46267, 53385, 64062, 88975, 92534, 106770, 138801, 160155, 177950, 231335, 266925, 277602, 320310, 416403, 462670, 533850, 694005, 800775, 832806, 1156675, 1388010, 1601550, 2082015, 2313350, 3470025, 4164030, 6940050, 10410075, 20820150]

約数ペア:

[(1, 20820150), (2, 10410075), (3, 6940050), (5, 4164030), (6, 3470025), (9, 2313350), (10, 2082015), (13, 1601550), (15, 1388010), (18, 1156675), (25, 832806), (26, 800775), (30, 694005), (39, 533850), (45, 462670), (50, 416403), (65, 320310), (75, 277602), (78, 266925), (90, 231335), (117, 177950), (130, 160155), (150, 138801), (195, 106770), (225, 92534), (234, 88975), (325, 64062), (390, 53385), (450, 46267), (585, 35590), (650, 32031), (975, 21354), (1170, 17795), (1950, 10677), (2925, 7118), (3559, 5850)]