20381625

素因数分解:

$3^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 42247296

約数和(自身を除く): 21865671

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 61, 75, 81, 99, 125, 135, 165, 183, 225, 243, 275, 297, 305, 375, 405, 495, 549, 671, 675, 825, 891, 915, 1125, 1215, 1375, 1485, 1525, 1647, 2013, 2025, 2475, 2673, 2745, 3355, 3375, 4125, 4455, 4575, 4941, 6039, 6075, 7425, 7625, 8235, 10065, 10125, 12375, 13365, 13725, 14823, 16775, 18117, 22275, 22875, 24705, 30195, 30375, 37125, 41175, 50325, 54351, 66825, 68625, 74115, 83875, 90585, 111375, 123525, 150975, 163053, 205875, 251625, 271755, 334125, 370575, 452925, 617625, 754875, 815265, 1358775, 1852875, 2264625, 4076325, 6793875, 20381625]

約数ペア:

[(1, 20381625), (3, 6793875), (5, 4076325), (9, 2264625), (11, 1852875), (15, 1358775), (25, 815265), (27, 754875), (33, 617625), (45, 452925), (55, 370575), (61, 334125), (75, 271755), (81, 251625), (99, 205875), (125, 163053), (135, 150975), (165, 123525), (183, 111375), (225, 90585), (243, 83875), (275, 74115), (297, 68625), (305, 66825), (375, 54351), (405, 50325), (495, 41175), (549, 37125), (671, 30375), (675, 30195), (825, 24705), (891, 22875), (915, 22275), (1125, 18117), (1215, 16775), (1375, 14823), (1485, 13725), (1525, 13365), (1647, 12375), (2013, 10125), (2025, 10065), (2475, 8235), (2673, 7625), (2745, 7425), (3355, 6075), (3375, 6039), (4125, 4941), (4455, 4575)]