20996821300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{4817}}^1$

素因数の和:5330

約数の個数: 144

約数和(自身を含む): 56206402560

約数和(自身を除く): 35209581260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 479, 650, 700, 910, 958, 1300, 1820, 1916, 2275, 2395, 3353, 4550, 4790, 4817, 6227, 6706, 9100, 9580, 9634, 11975, 12454, 13412, 16765, 19268, 23950, 24085, 24908, 31135, 33530, 33719, 43589, 47900, 48170, 62270, 62621, 67060, 67438, 83825, 87178, 96340, 120425, 124540, 125242, 134876, 155675, 167650, 168595, 174356, 217945, 240850, 250484, 311350, 313105, 335300, 337190, 435890, 438347, 481700, 622700, 626210, 674380, 842975, 871780, 876694, 1089725, 1252420, 1565525, 1685950, 1753388, 2179450, 2191735, 2307343, 3131050, 3371900, 4358900, 4383470, 4614686, 6262100, 8766940, 9229372, 10958675, 11536715, 16151401, 21917350, 23073430, 29995459, 32302802, 43834700, 46146860, 57683575, 59990918, 64605604, 80757005, 115367150, 119981836, 149977295, 161514010, 209968213, 230734300, 299954590, 323028020, 403785025, 419936426, 599909180, 749886475, 807570050, 839872852, 1049841065, 1499772950, 1615140100, 2099682130, 2999545900, 4199364260, 5249205325, 10498410650, 20996821300]

約数ペア:

[(1, 20996821300), (2, 10498410650), (4, 5249205325), (5, 4199364260), (7, 2999545900), (10, 2099682130), (13, 1615140100), (14, 1499772950), (20, 1049841065), (25, 839872852), (26, 807570050), (28, 749886475), (35, 599909180), (50, 419936426), (52, 403785025), (65, 323028020), (70, 299954590), (91, 230734300), (100, 209968213), (130, 161514010), (140, 149977295), (175, 119981836), (182, 115367150), (260, 80757005), (325, 64605604), (350, 59990918), (364, 57683575), (455, 46146860), (479, 43834700), (650, 32302802), (700, 29995459), (910, 23073430), (958, 21917350), (1300, 16151401), (1820, 11536715), (1916, 10958675), (2275, 9229372), (2395, 8766940), (3353, 6262100), (4550, 4614686), (4790, 4383470), (4817, 4358900), (6227, 3371900), (6706, 3131050), (9100, 2307343), (9580, 2191735), (9634, 2179450), (11975, 1753388), (12454, 1685950), (13412, 1565525), (16765, 1252420), (19268, 1089725), (23950, 876694), (24085, 871780), (24908, 842975), (31135, 674380), (33530, 626210), (33719, 622700), (43589, 481700), (47900, 438347), (48170, 435890), (62270, 337190), (62621, 335300), (67060, 313105), (67438, 311350), (83825, 250484), (87178, 240850), (96340, 217945), (120425, 174356), (124540, 168595), (125242, 167650), (134876, 155675)]