20193301996

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{14591}}^1$

素因数の和:14939

約数の個数: 72

約数和(自身を含む): 43037761536

約数和(自身を除く): 22844459540

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 307, 322, 614, 644, 1127, 1228, 2149, 2254, 4298, 4508, 7061, 8596, 14122, 14591, 15043, 28244, 29182, 30086, 49427, 58364, 60172, 98854, 102137, 197708, 204274, 335593, 345989, 408548, 671186, 691978, 714959, 1342372, 1383956, 1429918, 2349151, 2859836, 4479437, 4698302, 8958874, 9396604, 16444057, 17917748, 31356059, 32888114, 62712118, 65776228, 103027051, 125424236, 206054102, 219492413, 412108204, 438984826, 721189357, 877969652, 1442378714, 2884757428, 5048325499, 10096650998, 20193301996]

約数ペア:

[(1, 20193301996), (2, 10096650998), (4, 5048325499), (7, 2884757428), (14, 1442378714), (23, 877969652), (28, 721189357), (46, 438984826), (49, 412108204), (92, 219492413), (98, 206054102), (161, 125424236), (196, 103027051), (307, 65776228), (322, 62712118), (614, 32888114), (644, 31356059), (1127, 17917748), (1228, 16444057), (2149, 9396604), (2254, 8958874), (4298, 4698302), (4508, 4479437), (7061, 2859836), (8596, 2349151), (14122, 1429918), (14591, 1383956), (15043, 1342372), (28244, 714959), (29182, 691978), (30086, 671186), (49427, 408548), (58364, 345989), (60172, 335593), (98854, 204274), (102137, 197708)]