20306000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 58496256

約数和(自身を除く): 38190256

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 71, 80, 88, 100, 104, 110, 125, 130, 142, 143, 176, 200, 208, 220, 250, 260, 275, 284, 286, 325, 355, 400, 440, 500, 520, 550, 568, 572, 650, 710, 715, 781, 880, 923, 1000, 1040, 1100, 1136, 1144, 1300, 1375, 1420, 1430, 1562, 1625, 1775, 1846, 2000, 2200, 2288, 2600, 2750, 2840, 2860, 3124, 3250, 3550, 3575, 3692, 3905, 4400, 4615, 5200, 5500, 5680, 5720, 6248, 6500, 7100, 7150, 7384, 7810, 8875, 9230, 10153, 11000, 11440, 12496, 13000, 14200, 14300, 14768, 15620, 17750, 17875, 18460, 19525, 20306, 22000, 23075, 26000, 28400, 28600, 31240, 35500, 35750, 36920, 39050, 40612, 46150, 50765, 57200, 62480, 71000, 71500, 73840, 78100, 81224, 92300, 97625, 101530, 115375, 142000, 143000, 156200, 162448, 184600, 195250, 203060, 230750, 253825, 286000, 312400, 369200, 390500, 406120, 461500, 507650, 781000, 812240, 923000, 1015300, 1269125, 1562000, 1846000, 2030600, 2538250, 4061200, 5076500, 10153000, 20306000]

約数ペア:

[(1, 20306000), (2, 10153000), (4, 5076500), (5, 4061200), (8, 2538250), (10, 2030600), (11, 1846000), (13, 1562000), (16, 1269125), (20, 1015300), (22, 923000), (25, 812240), (26, 781000), (40, 507650), (44, 461500), (50, 406120), (52, 390500), (55, 369200), (65, 312400), (71, 286000), (80, 253825), (88, 230750), (100, 203060), (104, 195250), (110, 184600), (125, 162448), (130, 156200), (142, 143000), (143, 142000), (176, 115375), (200, 101530), (208, 97625), (220, 92300), (250, 81224), (260, 78100), (275, 73840), (284, 71500), (286, 71000), (325, 62480), (355, 57200), (400, 50765), (440, 46150), (500, 40612), (520, 39050), (550, 36920), (568, 35750), (572, 35500), (650, 31240), (710, 28600), (715, 28400), (781, 26000), (880, 23075), (923, 22000), (1000, 20306), (1040, 19525), (1100, 18460), (1136, 17875), (1144, 17750), (1300, 15620), (1375, 14768), (1420, 14300), (1430, 14200), (1562, 13000), (1625, 12496), (1775, 11440), (1846, 11000), (2000, 10153), (2200, 9230), (2288, 8875), (2600, 7810), (2750, 7384), (2840, 7150), (2860, 7100), (3124, 6500), (3250, 6248), (3550, 5720), (3575, 5680), (3692, 5500), (3905, 5200), (4400, 4615)]