20736052088

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1\times {\mathrm{1297}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 40429065600

約数和(自身を除く): 19693013512

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 617, 632, 1234, 1297, 2468, 2594, 3239, 4936, 5188, 6478, 10376, 12956, 25297, 25912, 48743, 50594, 53177, 97486, 101188, 102463, 106354, 194972, 202376, 204926, 212708, 389944, 409852, 425416, 800249, 819704, 1600498, 1998463, 3200996, 3996926, 4200983, 6401992, 7993852, 8401966, 15987704, 16803932, 32810209, 33607864, 63219671, 65620418, 126439342, 131240836, 252878684, 262481672, 505757368, 2592006511, 5184013022, 10368026044, 20736052088]

約数ペア:

[(1, 20736052088), (2, 10368026044), (4, 5184013022), (8, 2592006511), (41, 505757368), (79, 262481672), (82, 252878684), (158, 131240836), (164, 126439342), (316, 65620418), (328, 63219671), (617, 33607864), (632, 32810209), (1234, 16803932), (1297, 15987704), (2468, 8401966), (2594, 7993852), (3239, 6401992), (4936, 4200983), (5188, 3996926), (6478, 3200996), (10376, 1998463), (12956, 1600498), (25297, 819704), (25912, 800249), (48743, 425416), (50594, 409852), (53177, 389944), (97486, 212708), (101188, 204926), (102463, 202376), (106354, 194972)]