20996914212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{203293}}^1$

素因数の和:203473

約数の個数: 72

約数和(自身を含む): 56239252160

約数和(自身を除く): 35242337948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 228, 302, 342, 453, 604, 684, 906, 1359, 1812, 2718, 2869, 5436, 5738, 8607, 11476, 17214, 25821, 34428, 51642, 103284, 203293, 406586, 609879, 813172, 1219758, 1829637, 2439516, 3659274, 3862567, 7318548, 7725134, 11587701, 15450268, 23175402, 30697243, 34763103, 46350804, 61394486, 69526206, 92091729, 122788972, 139052412, 184183458, 276275187, 368366916, 552550374, 583247617, 1105100748, 1166495234, 1749742851, 2332990468, 3499485702, 5249228553, 6998971404, 10498457106, 20996914212]

約数ペア:

[(1, 20996914212), (2, 10498457106), (3, 6998971404), (4, 5249228553), (6, 3499485702), (9, 2332990468), (12, 1749742851), (18, 1166495234), (19, 1105100748), (36, 583247617), (38, 552550374), (57, 368366916), (76, 276275187), (114, 184183458), (151, 139052412), (171, 122788972), (228, 92091729), (302, 69526206), (342, 61394486), (453, 46350804), (604, 34763103), (684, 30697243), (906, 23175402), (1359, 15450268), (1812, 11587701), (2718, 7725134), (2869, 7318548), (5436, 3862567), (5738, 3659274), (8607, 2439516), (11476, 1829637), (17214, 1219758), (25821, 813172), (34428, 609879), (51642, 406586), (103284, 203293)]