20910510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 58631040

約数和(自身を除く): 37720530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 79, 85, 90, 102, 153, 158, 170, 173, 237, 255, 306, 346, 395, 474, 510, 519, 711, 765, 790, 865, 1038, 1185, 1343, 1422, 1530, 1557, 1730, 2370, 2595, 2686, 2941, 3114, 3555, 4029, 5190, 5882, 6715, 7110, 7785, 8058, 8823, 12087, 13430, 13667, 14705, 15570, 17646, 20145, 24174, 26469, 27334, 29410, 40290, 41001, 44115, 52938, 60435, 68335, 82002, 88230, 120870, 123003, 132345, 136670, 205005, 232339, 246006, 264690, 410010, 464678, 615015, 697017, 1161695, 1230030, 1394034, 2091051, 2323390, 3485085, 4182102, 6970170, 10455255, 20910510]

約数ペア:

[(1, 20910510), (2, 10455255), (3, 6970170), (5, 4182102), (6, 3485085), (9, 2323390), (10, 2091051), (15, 1394034), (17, 1230030), (18, 1161695), (30, 697017), (34, 615015), (45, 464678), (51, 410010), (79, 264690), (85, 246006), (90, 232339), (102, 205005), (153, 136670), (158, 132345), (170, 123003), (173, 120870), (237, 88230), (255, 82002), (306, 68335), (346, 60435), (395, 52938), (474, 44115), (510, 41001), (519, 40290), (711, 29410), (765, 27334), (790, 26469), (865, 24174), (1038, 20145), (1185, 17646), (1343, 15570), (1422, 14705), (1530, 13667), (1557, 13430), (1730, 12087), (2370, 8823), (2595, 8058), (2686, 7785), (2941, 7110), (3114, 6715), (3555, 5882), (4029, 5190)]