20793375

素因数分解:

$3^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 39461760

約数和(自身を除く): 18668385

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 101, 125, 135, 183, 225, 303, 305, 375, 505, 549, 675, 909, 915, 1125, 1515, 1525, 1647, 2525, 2727, 2745, 3375, 4545, 4575, 6161, 7575, 7625, 8235, 12625, 13635, 13725, 18483, 22725, 22875, 30805, 37875, 41175, 55449, 68175, 68625, 92415, 113625, 154025, 166347, 205875, 277245, 340875, 462075, 770125, 831735, 1386225, 2310375, 4158675, 6931125, 20793375]

約数ペア:

[(1, 20793375), (3, 6931125), (5, 4158675), (9, 2310375), (15, 1386225), (25, 831735), (27, 770125), (45, 462075), (61, 340875), (75, 277245), (101, 205875), (125, 166347), (135, 154025), (183, 113625), (225, 92415), (303, 68625), (305, 68175), (375, 55449), (505, 41175), (549, 37875), (675, 30805), (909, 22875), (915, 22725), (1125, 18483), (1515, 13725), (1525, 13635), (1647, 12625), (2525, 8235), (2727, 7625), (2745, 7575), (3375, 6161), (4545, 4575)]