20784868260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{209821}}^1$

素因数の和:209973

約数の個数: 96

約数和(自身を含む): 63168172032

約数和(自身を除く): 42383303772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 381, 390, 508, 635, 762, 780, 1270, 1524, 1651, 1905, 2540, 3302, 3810, 4953, 6604, 7620, 8255, 9906, 16510, 19812, 24765, 33020, 49530, 99060, 209821, 419642, 629463, 839284, 1049105, 1258926, 2098210, 2517852, 2727673, 3147315, 4196420, 5455346, 6294630, 8183019, 10910692, 12589260, 13638365, 16366038, 26647267, 27276730, 32732076, 40915095, 53294534, 54553460, 79941801, 81830190, 106589068, 133236335, 159883602, 163660380, 266472670, 319767204, 346414471, 399709005, 532945340, 692828942, 799418010, 1039243413, 1385657884, 1598836020, 1732072355, 2078486826, 3464144710, 4156973652, 5196217065, 6928289420, 10392434130, 20784868260]

約数ペア:

[(1, 20784868260), (2, 10392434130), (3, 6928289420), (4, 5196217065), (5, 4156973652), (6, 3464144710), (10, 2078486826), (12, 1732072355), (13, 1598836020), (15, 1385657884), (20, 1039243413), (26, 799418010), (30, 692828942), (39, 532945340), (52, 399709005), (60, 346414471), (65, 319767204), (78, 266472670), (127, 163660380), (130, 159883602), (156, 133236335), (195, 106589068), (254, 81830190), (260, 79941801), (381, 54553460), (390, 53294534), (508, 40915095), (635, 32732076), (762, 27276730), (780, 26647267), (1270, 16366038), (1524, 13638365), (1651, 12589260), (1905, 10910692), (2540, 8183019), (3302, 6294630), (3810, 5455346), (4953, 4196420), (6604, 3147315), (7620, 2727673), (8255, 2517852), (9906, 2098210), (16510, 1258926), (19812, 1049105), (24765, 839284), (33020, 629463), (49530, 419642), (99060, 209821)]