20176951470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1878

約数の個数: 128

約数和(自身を含む): 52745067648

約数和(自身を除く): 32568116178

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 181, 193, 195, 362, 386, 390, 543, 579, 905, 965, 1086, 1158, 1481, 1810, 1930, 2353, 2509, 2715, 2895, 2962, 4443, 4706, 5018, 5430, 5790, 7059, 7405, 7527, 8886, 11765, 12545, 14118, 14810, 15054, 19253, 22215, 23530, 25090, 34933, 35295, 37635, 38506, 44430, 57759, 69866, 70590, 75270, 96265, 104799, 115518, 174665, 192530, 209598, 268061, 285833, 288795, 349330, 454129, 523995, 536122, 571666, 577590, 804183, 857499, 908258, 1047990, 1340305, 1362387, 1429165, 1608366, 1714998, 2270645, 2680610, 2724774, 2858330, 3484793, 3715829, 4020915, 4287495, 4541290, 6811935, 6969586, 7431658, 8041830, 8574990, 10454379, 11147487, 13623870, 17423965, 18579145, 20908758, 22294974, 34847930, 37158290, 51735773, 52271895, 55737435, 103471546, 104543790, 111474870, 155207319, 258678865, 310414638, 517357730, 672565049, 776036595, 1345130098, 1552073190, 2017695147, 3362825245, 4035390294, 6725650490, 10088475735, 20176951470]

約数ペア:

[(1, 20176951470), (2, 10088475735), (3, 6725650490), (5, 4035390294), (6, 3362825245), (10, 2017695147), (13, 1552073190), (15, 1345130098), (26, 776036595), (30, 672565049), (39, 517357730), (65, 310414638), (78, 258678865), (130, 155207319), (181, 111474870), (193, 104543790), (195, 103471546), (362, 55737435), (386, 52271895), (390, 51735773), (543, 37158290), (579, 34847930), (905, 22294974), (965, 20908758), (1086, 18579145), (1158, 17423965), (1481, 13623870), (1810, 11147487), (1930, 10454379), (2353, 8574990), (2509, 8041830), (2715, 7431658), (2895, 6969586), (2962, 6811935), (4443, 4541290), (4706, 4287495), (5018, 4020915), (5430, 3715829), (5790, 3484793), (7059, 2858330), (7405, 2724774), (7527, 2680610), (8886, 2270645), (11765, 1714998), (12545, 1608366), (14118, 1429165), (14810, 1362387), (15054, 1340305), (19253, 1047990), (22215, 908258), (23530, 857499), (25090, 804183), (34933, 577590), (35295, 571666), (37635, 536122), (38506, 523995), (44430, 454129), (57759, 349330), (69866, 288795), (70590, 285833), (75270, 268061), (96265, 209598), (104799, 192530), (115518, 174665)]