20385960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3467}}^1$

素因数の和:3495

約数の個数: 96

約数和(自身を含む): 71163360

約数和(自身を除く): 50777400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3467, 5880, 6934, 10401, 13868, 17335, 20802, 24269, 27736, 34670, 41604, 48538, 52005, 69340, 72807, 83208, 97076, 104010, 121345, 138680, 145614, 169883, 194152, 208020, 242690, 291228, 339766, 364035, 416040, 485380, 509649, 582456, 679532, 728070, 849415, 970760, 1019298, 1359064, 1456140, 1698830, 2038596, 2548245, 2912280, 3397660, 4077192, 5096490, 6795320, 10192980, 20385960]

約数ペア:

[(1, 20385960), (2, 10192980), (3, 6795320), (4, 5096490), (5, 4077192), (6, 3397660), (7, 2912280), (8, 2548245), (10, 2038596), (12, 1698830), (14, 1456140), (15, 1359064), (20, 1019298), (21, 970760), (24, 849415), (28, 728070), (30, 679532), (35, 582456), (40, 509649), (42, 485380), (49, 416040), (56, 364035), (60, 339766), (70, 291228), (84, 242690), (98, 208020), (105, 194152), (120, 169883), (140, 145614), (147, 138680), (168, 121345), (196, 104010), (210, 97076), (245, 83208), (280, 72807), (294, 69340), (392, 52005), (420, 48538), (490, 41604), (588, 34670), (735, 27736), (840, 24269), (980, 20802), (1176, 17335), (1470, 13868), (1960, 10401), (2940, 6934), (3467, 5880)]