20161050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 62933472

約数和(自身を除く): 42772422

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 49, 50, 65, 70, 75, 78, 91, 98, 105, 130, 147, 150, 175, 182, 195, 210, 211, 245, 273, 294, 325, 350, 390, 422, 455, 490, 525, 546, 633, 637, 650, 735, 910, 975, 1050, 1055, 1225, 1266, 1274, 1365, 1470, 1477, 1911, 1950, 2110, 2275, 2450, 2730, 2743, 2954, 3165, 3185, 3675, 3822, 4431, 4550, 5275, 5486, 6330, 6370, 6825, 7350, 7385, 8229, 8862, 9555, 10339, 10550, 13650, 13715, 14770, 15825, 15925, 16458, 19110, 19201, 20678, 22155, 27430, 31017, 31650, 31850, 36925, 38402, 41145, 44310, 47775, 51695, 57603, 62034, 68575, 73850, 82290, 95550, 96005, 103390, 110775, 115206, 134407, 137150, 155085, 192010, 205725, 221550, 258475, 268814, 288015, 310170, 403221, 411450, 480025, 516950, 576030, 672035, 775425, 806442, 960050, 1344070, 1440075, 1550850, 2016105, 2880150, 3360175, 4032210, 6720350, 10080525, 20161050]

約数ペア:

[(1, 20161050), (2, 10080525), (3, 6720350), (5, 4032210), (6, 3360175), (7, 2880150), (10, 2016105), (13, 1550850), (14, 1440075), (15, 1344070), (21, 960050), (25, 806442), (26, 775425), (30, 672035), (35, 576030), (39, 516950), (42, 480025), (49, 411450), (50, 403221), (65, 310170), (70, 288015), (75, 268814), (78, 258475), (91, 221550), (98, 205725), (105, 192010), (130, 155085), (147, 137150), (150, 134407), (175, 115206), (182, 110775), (195, 103390), (210, 96005), (211, 95550), (245, 82290), (273, 73850), (294, 68575), (325, 62034), (350, 57603), (390, 51695), (422, 47775), (455, 44310), (490, 41145), (525, 38402), (546, 36925), (633, 31850), (637, 31650), (650, 31017), (735, 27430), (910, 22155), (975, 20678), (1050, 19201), (1055, 19110), (1225, 16458), (1266, 15925), (1274, 15825), (1365, 14770), (1470, 13715), (1477, 13650), (1911, 10550), (1950, 10339), (2110, 9555), (2275, 8862), (2450, 8229), (2730, 7385), (2743, 7350), (2954, 6825), (3165, 6370), (3185, 6330), (3675, 5486), (3822, 5275), (4431, 4550)]