20380008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41827992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 19, 22, 24, 33, 34, 38, 44, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 187, 204, 209, 228, 239, 264, 323, 374, 408, 418, 456, 478, 561, 627, 646, 717, 748, 836, 956, 969, 1122, 1254, 1292, 1434, 1496, 1672, 1912, 1938, 2244, 2508, 2584, 2629, 2868, 3553, 3876, 4063, 4488, 4541, 5016, 5258, 5736, 7106, 7752, 7887, 8126, 9082, 10516, 10659, 12189, 13623, 14212, 15774, 16252, 18164, 21032, 21318, 24378, 27246, 28424, 31548, 32504, 36328, 42636, 44693, 48756, 49951, 54492, 63096, 77197, 85272, 89386, 97512, 99902, 108984, 134079, 149853, 154394, 178772, 199804, 231591, 268158, 299706, 308788, 357544, 399608, 463182, 536316, 599412, 617576, 849167, 926364, 1072632, 1198824, 1698334, 1852728, 2547501, 3396668, 5095002, 6793336, 10190004, 20380008]

約数ペア:

[(1, 20380008), (2, 10190004), (3, 6793336), (4, 5095002), (6, 3396668), (8, 2547501), (11, 1852728), (12, 1698334), (17, 1198824), (19, 1072632), (22, 926364), (24, 849167), (33, 617576), (34, 599412), (38, 536316), (44, 463182), (51, 399608), (57, 357544), (66, 308788), (68, 299706), (76, 268158), (88, 231591), (102, 199804), (114, 178772), (132, 154394), (136, 149853), (152, 134079), (187, 108984), (204, 99902), (209, 97512), (228, 89386), (239, 85272), (264, 77197), (323, 63096), (374, 54492), (408, 49951), (418, 48756), (456, 44693), (478, 42636), (561, 36328), (627, 32504), (646, 31548), (717, 28424), (748, 27246), (836, 24378), (956, 21318), (969, 21032), (1122, 18164), (1254, 16252), (1292, 15774), (1434, 14212), (1496, 13623), (1672, 12189), (1912, 10659), (1938, 10516), (2244, 9082), (2508, 8126), (2584, 7887), (2629, 7752), (2868, 7106), (3553, 5736), (3876, 5258), (4063, 5016), (4488, 4541)]