20217330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 64972800

約数和(自身を除く): 44755470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 563, 570, 630, 665, 798, 855, 945, 1026, 1126, 1197, 1330, 1689, 1710, 1890, 1995, 2394, 2565, 2815, 3378, 3591, 3941, 3990, 5067, 5130, 5630, 5985, 7182, 7882, 8445, 10134, 10697, 11823, 11970, 15201, 16890, 17955, 19705, 21394, 23646, 25335, 30402, 32091, 35469, 35910, 39410, 50670, 53485, 59115, 64182, 70938, 74879, 76005, 96273, 106407, 106970, 118230, 149758, 152010, 160455, 177345, 192546, 212814, 224637, 288819, 320910, 354690, 374395, 449274, 481365, 532035, 577638, 673911, 748790, 962730, 1064070, 1123185, 1347822, 1444095, 2021733, 2246370, 2888190, 3369555, 4043466, 6739110, 10108665, 20217330]

約数ペア:

[(1, 20217330), (2, 10108665), (3, 6739110), (5, 4043466), (6, 3369555), (7, 2888190), (9, 2246370), (10, 2021733), (14, 1444095), (15, 1347822), (18, 1123185), (19, 1064070), (21, 962730), (27, 748790), (30, 673911), (35, 577638), (38, 532035), (42, 481365), (45, 449274), (54, 374395), (57, 354690), (63, 320910), (70, 288819), (90, 224637), (95, 212814), (105, 192546), (114, 177345), (126, 160455), (133, 152010), (135, 149758), (171, 118230), (189, 106970), (190, 106407), (210, 96273), (266, 76005), (270, 74879), (285, 70938), (315, 64182), (342, 59115), (378, 53485), (399, 50670), (513, 39410), (563, 35910), (570, 35469), (630, 32091), (665, 30402), (798, 25335), (855, 23646), (945, 21394), (1026, 19705), (1126, 17955), (1197, 16890), (1330, 15201), (1689, 11970), (1710, 11823), (1890, 10697), (1995, 10134), (2394, 8445), (2565, 7882), (2815, 7182), (3378, 5985), (3591, 5630), (3941, 5130), (3990, 5067)]