20097718240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{10979}}^1$

素因数の和:11684

約数の個数: 96

約数和(自身を含む): 50353138080

約数和(自身を除く): 30255419840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 673, 680, 1346, 1360, 2692, 2720, 3365, 5384, 6730, 10768, 10979, 11441, 13460, 21536, 21958, 22882, 26920, 43916, 45764, 53840, 54895, 57205, 87832, 91528, 107680, 109790, 114410, 175664, 183056, 186643, 219580, 228820, 351328, 366112, 373286, 439160, 457640, 746572, 878320, 915280, 933215, 1493144, 1756640, 1830560, 1866430, 2986288, 3732860, 5972576, 7388867, 7465720, 14777734, 14931440, 29555468, 29862880, 36944335, 59110936, 73888670, 118221872, 125610739, 147777340, 236443744, 251221478, 295554680, 502442956, 591109360, 628053695, 1004885912, 1182218720, 1256107390, 2009771824, 2512214780, 4019543648, 5024429560, 10048859120, 20097718240]

約数ペア:

[(1, 20097718240), (2, 10048859120), (4, 5024429560), (5, 4019543648), (8, 2512214780), (10, 2009771824), (16, 1256107390), (17, 1182218720), (20, 1004885912), (32, 628053695), (34, 591109360), (40, 502442956), (68, 295554680), (80, 251221478), (85, 236443744), (136, 147777340), (160, 125610739), (170, 118221872), (272, 73888670), (340, 59110936), (544, 36944335), (673, 29862880), (680, 29555468), (1346, 14931440), (1360, 14777734), (2692, 7465720), (2720, 7388867), (3365, 5972576), (5384, 3732860), (6730, 2986288), (10768, 1866430), (10979, 1830560), (11441, 1756640), (13460, 1493144), (21536, 933215), (21958, 915280), (22882, 878320), (26920, 746572), (43916, 457640), (45764, 439160), (53840, 373286), (54895, 366112), (57205, 351328), (87832, 228820), (91528, 219580), (107680, 186643), (109790, 183056), (114410, 175664)]