20364240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 69745536

約数和(自身を除く): 49381296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 107, 120, 122, 130, 156, 183, 195, 208, 214, 240, 244, 260, 305, 312, 321, 366, 390, 428, 488, 520, 535, 610, 624, 642, 732, 780, 793, 856, 915, 976, 1040, 1070, 1220, 1284, 1391, 1464, 1560, 1586, 1605, 1712, 1830, 2140, 2379, 2440, 2568, 2782, 2928, 3120, 3172, 3210, 3660, 3965, 4173, 4280, 4758, 4880, 5136, 5564, 6344, 6420, 6527, 6955, 7320, 7930, 8346, 8560, 9516, 11128, 11895, 12688, 12840, 13054, 13910, 14640, 15860, 16692, 19032, 19581, 20865, 22256, 23790, 25680, 26108, 27820, 31720, 32635, 33384, 38064, 39162, 41730, 47580, 52216, 55640, 63440, 65270, 66768, 78324, 83460, 84851, 95160, 97905, 104432, 111280, 130540, 156648, 166920, 169702, 190320, 195810, 254553, 261080, 313296, 333840, 339404, 391620, 424255, 509106, 522160, 678808, 783240, 848510, 1018212, 1272765, 1357616, 1566480, 1697020, 2036424, 2545530, 3394040, 4072848, 5091060, 6788080, 10182120, 20364240]

約数ペア:

[(1, 20364240), (2, 10182120), (3, 6788080), (4, 5091060), (5, 4072848), (6, 3394040), (8, 2545530), (10, 2036424), (12, 1697020), (13, 1566480), (15, 1357616), (16, 1272765), (20, 1018212), (24, 848510), (26, 783240), (30, 678808), (39, 522160), (40, 509106), (48, 424255), (52, 391620), (60, 339404), (61, 333840), (65, 313296), (78, 261080), (80, 254553), (104, 195810), (107, 190320), (120, 169702), (122, 166920), (130, 156648), (156, 130540), (183, 111280), (195, 104432), (208, 97905), (214, 95160), (240, 84851), (244, 83460), (260, 78324), (305, 66768), (312, 65270), (321, 63440), (366, 55640), (390, 52216), (428, 47580), (488, 41730), (520, 39162), (535, 38064), (610, 33384), (624, 32635), (642, 31720), (732, 27820), (780, 26108), (793, 25680), (856, 23790), (915, 22256), (976, 20865), (1040, 19581), (1070, 19032), (1220, 16692), (1284, 15860), (1391, 14640), (1464, 13910), (1560, 13054), (1586, 12840), (1605, 12688), (1712, 11895), (1830, 11128), (2140, 9516), (2379, 8560), (2440, 8346), (2568, 7930), (2782, 7320), (2928, 6955), (3120, 6527), (3172, 6420), (3210, 6344), (3660, 5564), (3965, 5136), (4173, 4880), (4280, 4758)]