20155853752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127873}}^1$

素因数の和:127976

約数の個数: 64

約数和(自身を含む): 42812215200

約数和(自身を除く): 22656361448

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 323, 488, 646, 1037, 1159, 1292, 2074, 2318, 2584, 4148, 4636, 8296, 9272, 19703, 39406, 78812, 127873, 157624, 255746, 511492, 1022984, 2173841, 2429587, 4347682, 4859174, 7800253, 8695364, 9718348, 15600506, 17390728, 19436696, 31201012, 41302979, 62402024, 82605958, 132604301, 148204807, 165211916, 265208602, 296409614, 330423832, 530417204, 592819228, 1060834408, 1185638456, 2519481719, 5038963438, 10077926876, 20155853752]

約数ペア:

[(1, 20155853752), (2, 10077926876), (4, 5038963438), (8, 2519481719), (17, 1185638456), (19, 1060834408), (34, 592819228), (38, 530417204), (61, 330423832), (68, 296409614), (76, 265208602), (122, 165211916), (136, 148204807), (152, 132604301), (244, 82605958), (323, 62402024), (488, 41302979), (646, 31201012), (1037, 19436696), (1159, 17390728), (1292, 15600506), (2074, 9718348), (2318, 8695364), (2584, 7800253), (4148, 4859174), (4636, 4347682), (8296, 2429587), (9272, 2173841), (19703, 1022984), (39406, 511492), (78812, 255746), (127873, 157624)]