20189557760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{281}}^1\times {\mathrm{14033}}^1$

素因数の和:14339

約数の個数: 88

約数和(自身を含む): 48607095816

約数和(自身を除く): 28417538056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 512, 562, 640, 1024, 1124, 1280, 1405, 2248, 2560, 2810, 4496, 5120, 5620, 8992, 11240, 14033, 17984, 22480, 28066, 35968, 44960, 56132, 70165, 71936, 89920, 112264, 140330, 143872, 179840, 224528, 280660, 287744, 359680, 449056, 561320, 719360, 898112, 1122640, 1438720, 1796224, 2245280, 3592448, 3943273, 4490560, 7184896, 7886546, 8981120, 14369792, 15773092, 17962240, 19716365, 31546184, 35924480, 39432730, 63092368, 71848960, 78865460, 126184736, 157730920, 252369472, 315461840, 504738944, 630923680, 1009477888, 1261847360, 2018955776, 2523694720, 4037911552, 5047389440, 10094778880, 20189557760]

約数ペア:

[(1, 20189557760), (2, 10094778880), (4, 5047389440), (5, 4037911552), (8, 2523694720), (10, 2018955776), (16, 1261847360), (20, 1009477888), (32, 630923680), (40, 504738944), (64, 315461840), (80, 252369472), (128, 157730920), (160, 126184736), (256, 78865460), (281, 71848960), (320, 63092368), (512, 39432730), (562, 35924480), (640, 31546184), (1024, 19716365), (1124, 17962240), (1280, 15773092), (1405, 14369792), (2248, 8981120), (2560, 7886546), (2810, 7184896), (4496, 4490560), (5120, 3943273), (5620, 3592448), (8992, 2245280), (11240, 1796224), (14033, 1438720), (17984, 1122640), (22480, 898112), (28066, 719360), (35968, 561320), (44960, 449056), (56132, 359680), (70165, 287744), (71936, 280660), (89920, 224528), (112264, 179840), (140330, 143872)]