20408925312

素因数分解:

$2^7\times 3^2\times {\mathrm{37}}^1\times {\mathrm{478813}}^1$

素因数の和:478870

約数の個数: 96

約数和(自身を含む): 60316199580

約数和(自身を除く): 39907274268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 288, 296, 333, 384, 444, 576, 592, 666, 888, 1152, 1184, 1332, 1776, 2368, 2664, 3552, 4736, 5328, 7104, 10656, 14208, 21312, 42624, 478813, 957626, 1436439, 1915252, 2872878, 3830504, 4309317, 5745756, 7661008, 8618634, 11491512, 15322016, 17237268, 17716081, 22983024, 30644032, 34474536, 35432162, 45966048, 53148243, 61288064, 68949072, 70864324, 91932096, 106296486, 137898144, 141728648, 159444729, 183864192, 212592972, 275796288, 283457296, 318889458, 425185944, 551592576, 566914592, 637778916, 850371888, 1133829184, 1275557832, 1700743776, 2267658368, 2551115664, 3401487552, 5102231328, 6802975104, 10204462656, 20408925312]

約数ペア:

[(1, 20408925312), (2, 10204462656), (3, 6802975104), (4, 5102231328), (6, 3401487552), (8, 2551115664), (9, 2267658368), (12, 1700743776), (16, 1275557832), (18, 1133829184), (24, 850371888), (32, 637778916), (36, 566914592), (37, 551592576), (48, 425185944), (64, 318889458), (72, 283457296), (74, 275796288), (96, 212592972), (111, 183864192), (128, 159444729), (144, 141728648), (148, 137898144), (192, 106296486), (222, 91932096), (288, 70864324), (296, 68949072), (333, 61288064), (384, 53148243), (444, 45966048), (576, 35432162), (592, 34474536), (666, 30644032), (888, 22983024), (1152, 17716081), (1184, 17237268), (1332, 15322016), (1776, 11491512), (2368, 8618634), (2664, 7661008), (3552, 5745756), (4736, 4309317), (5328, 3830504), (7104, 2872878), (10656, 1915252), (14208, 1436439), (21312, 957626), (42624, 478813)]