20645696960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{17623}}^1$

素因数の和:18170

約数の個数: 112

約数和(自身を含む): 56296413696

約数和(自身を除く): 35650716736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 523, 560, 1046, 1120, 2092, 2240, 2615, 3661, 4184, 5230, 7322, 8368, 10460, 14644, 16736, 17623, 18305, 20920, 29288, 33472, 35246, 36610, 41840, 58576, 70492, 73220, 83680, 88115, 117152, 123361, 140984, 146440, 167360, 176230, 234304, 246722, 281968, 292880, 352460, 493444, 563936, 585760, 616805, 704920, 986888, 1127872, 1171520, 1233610, 1409840, 1973776, 2467220, 2819680, 3947552, 4934440, 5639360, 7895104, 9216829, 9868880, 18433658, 19737760, 36867316, 39475520, 46084145, 64517803, 73734632, 92168290, 129035606, 147469264, 184336580, 258071212, 294938528, 322589015, 368673160, 516142424, 589877056, 645178030, 737346320, 1032284848, 1290356060, 1474692640, 2064569696, 2580712120, 2949385280, 4129139392, 5161424240, 10322848480, 20645696960]

約数ペア:

[(1, 20645696960), (2, 10322848480), (4, 5161424240), (5, 4129139392), (7, 2949385280), (8, 2580712120), (10, 2064569696), (14, 1474692640), (16, 1290356060), (20, 1032284848), (28, 737346320), (32, 645178030), (35, 589877056), (40, 516142424), (56, 368673160), (64, 322589015), (70, 294938528), (80, 258071212), (112, 184336580), (140, 147469264), (160, 129035606), (224, 92168290), (280, 73734632), (320, 64517803), (448, 46084145), (523, 39475520), (560, 36867316), (1046, 19737760), (1120, 18433658), (2092, 9868880), (2240, 9216829), (2615, 7895104), (3661, 5639360), (4184, 4934440), (5230, 3947552), (7322, 2819680), (8368, 2467220), (10460, 1973776), (14644, 1409840), (16736, 1233610), (17623, 1171520), (18305, 1127872), (20920, 986888), (29288, 704920), (33472, 616805), (35246, 585760), (36610, 563936), (41840, 493444), (58576, 352460), (70492, 292880), (73220, 281968), (83680, 246722), (88115, 234304), (117152, 176230), (123361, 167360), (140984, 146440)]