20198982616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1\times {\mathrm{3319}}^1$

素因数の和:4028

約数の個数: 64

約数和(自身を含む): 40728830400

約数和(自身を除く): 20529847784

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 613, 1226, 1241, 2452, 2482, 3319, 4904, 4964, 6638, 9928, 10421, 13276, 20842, 26552, 41684, 44749, 56423, 83368, 89498, 112846, 178996, 225692, 242287, 357992, 451384, 484574, 760733, 969148, 1521466, 1938296, 2034547, 3042932, 4069094, 4118879, 6085864, 8138188, 8237758, 16276376, 16475516, 32951032, 34587299, 69174598, 138349196, 148521931, 276698392, 297043862, 594087724, 1188175448, 2524872827, 5049745654, 10099491308, 20198982616]

約数ペア:

[(1, 20198982616), (2, 10099491308), (4, 5049745654), (8, 2524872827), (17, 1188175448), (34, 594087724), (68, 297043862), (73, 276698392), (136, 148521931), (146, 138349196), (292, 69174598), (584, 34587299), (613, 32951032), (1226, 16475516), (1241, 16276376), (2452, 8237758), (2482, 8138188), (3319, 6085864), (4904, 4118879), (4964, 4069094), (6638, 3042932), (9928, 2034547), (10421, 1938296), (13276, 1521466), (20842, 969148), (26552, 760733), (41684, 484574), (44749, 451384), (56423, 357992), (83368, 242287), (89498, 225692), (112846, 178996)]