20259330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 61641216

約数和(自身を除く): 41381886

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 41, 42, 65, 70, 78, 82, 91, 105, 123, 130, 181, 182, 195, 205, 210, 246, 273, 287, 362, 390, 410, 455, 533, 543, 546, 574, 615, 861, 905, 910, 1066, 1086, 1230, 1267, 1365, 1435, 1599, 1722, 1810, 2353, 2534, 2665, 2715, 2730, 2870, 3198, 3731, 3801, 4305, 4706, 5330, 5430, 6335, 7059, 7421, 7462, 7602, 7995, 8610, 11193, 11765, 12670, 14118, 14842, 15990, 16471, 18655, 19005, 22263, 22386, 23530, 32942, 35295, 37105, 37310, 38010, 44526, 49413, 51947, 55965, 70590, 74210, 82355, 96473, 98826, 103894, 111315, 111930, 155841, 164710, 192946, 222630, 247065, 259735, 289419, 311682, 482365, 494130, 519470, 578838, 675311, 779205, 964730, 1350622, 1447095, 1558410, 2025933, 2894190, 3376555, 4051866, 6753110, 10129665, 20259330]

約数ペア:

[(1, 20259330), (2, 10129665), (3, 6753110), (5, 4051866), (6, 3376555), (7, 2894190), (10, 2025933), (13, 1558410), (14, 1447095), (15, 1350622), (21, 964730), (26, 779205), (30, 675311), (35, 578838), (39, 519470), (41, 494130), (42, 482365), (65, 311682), (70, 289419), (78, 259735), (82, 247065), (91, 222630), (105, 192946), (123, 164710), (130, 155841), (181, 111930), (182, 111315), (195, 103894), (205, 98826), (210, 96473), (246, 82355), (273, 74210), (287, 70590), (362, 55965), (390, 51947), (410, 49413), (455, 44526), (533, 38010), (543, 37310), (546, 37105), (574, 35295), (615, 32942), (861, 23530), (905, 22386), (910, 22263), (1066, 19005), (1086, 18655), (1230, 16471), (1267, 15990), (1365, 14842), (1435, 14118), (1599, 12670), (1722, 11765), (1810, 11193), (2353, 8610), (2534, 7995), (2665, 7602), (2715, 7462), (2730, 7421), (2870, 7059), (3198, 6335), (3731, 5430), (3801, 5330), (4305, 4706)]