20163950388

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{827}}^1\times {\mathrm{16519}}^1$

素因数の和:17397

約数の個数: 72

約数和(自身を含む): 52279456320

約数和(自身を除く): 32115505932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 827, 1476, 1654, 2481, 3308, 4962, 7443, 9924, 14886, 16519, 29772, 33038, 33907, 49557, 66076, 67814, 99114, 101721, 135628, 148671, 198228, 203442, 297342, 305163, 406884, 594684, 610326, 677279, 1220652, 1354558, 2031837, 2709116, 4063674, 6095511, 8127348, 12191022, 13661213, 24382044, 27322426, 40983639, 54644852, 81967278, 122950917, 163934556, 245901834, 491803668, 560109733, 1120219466, 1680329199, 2240438932, 3360658398, 5040987597, 6721316796, 10081975194, 20163950388]

約数ペア:

[(1, 20163950388), (2, 10081975194), (3, 6721316796), (4, 5040987597), (6, 3360658398), (9, 2240438932), (12, 1680329199), (18, 1120219466), (36, 560109733), (41, 491803668), (82, 245901834), (123, 163934556), (164, 122950917), (246, 81967278), (369, 54644852), (492, 40983639), (738, 27322426), (827, 24382044), (1476, 13661213), (1654, 12191022), (2481, 8127348), (3308, 6095511), (4962, 4063674), (7443, 2709116), (9924, 2031837), (14886, 1354558), (16519, 1220652), (29772, 677279), (33038, 610326), (33907, 594684), (49557, 406884), (66076, 305163), (67814, 297342), (99114, 203442), (101721, 198228), (135628, 148671)]